ASTM D4737 PDF

D – 96a Standard Test Method for Calculated Cetane Index by Four Variable Equation, cetane, cetane index, diesel fuel. An American National StandardDesignation: D – 03 Standard Test Method for Calculated Cetane Index by Four Variable Equati. ASTM D – Calculated Cetane Index by Four Variable Equation. We perform diesel testing by ASTM D to estimates the cetane number of diesel (ASTM.

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No other units of measurement are included in this standard. E0 Standards Related D473 1. Test Method D may be less applicable to No. This method for estimating cetane number was developed by Chevron Research Co. Click here to view A2La Certification. The index value, as computed from the formula, is termed the Calculated Cetane Index.

These methods do measure the effect of cetane improver.

Request a Quote Contact Us. No other units of measurement are included in this standard.

Link to Active This link will always route to the current Active version of the standard. Note 1—Sxx is the designation for maximum sulfur level specified for the grade. Historical Version s – view previous versions of standard. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.

It may be conveniently employed for estimating cetane number when the quantity of sample available is too small for an engine rating. It is the responsibility of the dd4737 of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

ASTM D – 10() Standard Test Method for Calculated Cetane Index by Four Variable Equation

Link to Active This link will always route to the current Active version of the standard. Procedure A is based on a data set including a relatively small number of No. Sxx is the designation for maximum sulfur level specified for the grade. EPA to control diesel fuel aromatics concentrations via a 40 Calculated Cetane Index minimum is based on the correlation between Test Method D and aromatics concentration. Errors may be greater for fuels whose properties fall outside the recommended range of application.

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Procedure A is based on a data set including a relatively small number of No. Referenced Documents purchase separately The documents listed below are referenced within the subject standard wstm are not provided as part of the standard. The values given in parentheses are for information only. As a supplementary tool, the Calculated Cetane Index by Four Variable equation must be used with due regard for aetm limitations. It is a supplementary tool to estimate cetane number when used with due regard for its limitations.

It may be employed for approximating cetane number where the quantity of sample is too small for an engine rating. E0 Standards Related Products. Active view current version of standard.

ASTM D976 / D4737 – Cetane Index

Have a question or would like to request a quote? It is a supplementary tool for estimating cetane number when a result e4737 Test Method D is not available and if cetane improver is not used.

E0 Standards Related Products. Active view current version of standard. Federal Diesel aromatics limit for diesel fuels containing less than ppm sulfur. Generally, it has been found that use of Test Method D results in less offset than use of Test Method D, but there can be specific cases where this is not true.

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This method for estimating cetane number was developed by Chevron Research Co.

It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. In cases where the ASTM cetane number of a fuel has been previously established, the Calculated Cetane Index by Four Variable Equation is useful as a cetane number check on subsequent batches of that fuel, provided the fuel’s source and mode of manufacture remain unchanged.

Link to Active This link will always route to the current Active version of the standard. As a supplementary tool, the Calculated Cetane Index by Four Variable equation must be used with due regard for its limitations. It is a supplementary tool for estimating cetane number when a result by Test Method D is not available and if cetane improver is not used.

Ask an Expert Question about our testing services? Active view current version of standard Translated Standard: Historical Version s – view previous versions of standard Translated Version f4737 In cases where the cetane number of a fuel has been initially established, the index is useful as a cetane number check on subsequent samples of that fuel, provided its source and mode of r4737 remain unchanged.

Test Method D is the preferred method as estimator of cetane number. This method for estimating cetane number was developed by Chevron Research Co. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.